import java.util.Arrays;
import java.util.Date;
//导入，将来用到谁就导入谁

public class Test3 {
    public static void main1(String[] args) {
        Date date = new Date();
        System.out.println(date.getTime());
        int[] array = {1,2,3,4};
        Arrays.toString(array);
    }

    public static void main(String[] args) {

    }
}
